.\" Generated from openpam_ttyconv.c by gendoc.pl
.Dd May 31, 2025
.Dt OPENPAM_TTYCONV 3
.Os
.Sh NAME
.Nm openpam_ttyconv
.Nd simple tty-based conversation function
.Sh SYNOPSIS
.In sys/types.h
.In security/pam_appl.h
.In security/openpam.h
.Ft "int"
.Fn openpam_ttyconv "int n" "const struct pam_message **msg" "struct pam_response **resp" "void *data"
.Sh DESCRIPTION
The
.Fn openpam_ttyconv
function is a standard conversation function
suitable for use on TTY devices.
It should be adequate for the needs of most text-based interactive
programs.
.Pp
The
.Fn openpam_ttyconv
function allows the application to specify a
timeout for user input by setting the global integer variable
.Va openpam_ttyconv_timeout
to the length of the timeout in seconds.
.Pp
.Sh RETURN VALUES
The
.Fn openpam_ttyconv
function returns one of the following values:
.Bl -tag -width 18n
.It Bq Er PAM_SUCCESS
Success.
.It Bq Er PAM_BUF_ERR
Memory buffer error.
.It Bq Er PAM_CONV_ERR
Conversation failure.
.It Bq Er PAM_SYSTEM_ERR
System error.
.El
.Sh SEE ALSO
.Xr openpam_nullconv 3 ,
.Xr pam 3 ,
.Xr pam_prompt 3 ,
.Xr pam_strerror 3 ,
.Xr pam_vprompt 3
.Sh STANDARDS
The
.Fn openpam_ttyconv
function is an OpenPAM extension.
.Sh AUTHORS
The
.Fn openpam_ttyconv
function and this manual page were
developed for the
.Fx
Project by ThinkSec AS and Network Associates Laboratories, the
Security Research Division of Network Associates, Inc.\& under
DARPA/SPAWAR contract N66001-01-C-8035
.Pq Dq CBOSS ,
as part of the DARPA CHATS research program.
.Pp
The OpenPAM library is maintained by
.An Dag-Erling Sm\(/orgrav Aq Mt des@des.dev .
